package com.atguigu.gulimail.order.config;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;

import javax.annotation.PostConstruct;

@Configuration
public class MyRabbitConfig {
//    @Autowired
    private RabbitTemplate rabbitTemplate;

    @Bean
    public MessageConverter messageConverter() {
        return new Jackson2JsonMessageConverter();
    }

    @Primary
    @Bean
    public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        this.rabbitTemplate = rabbitTemplate;
        rabbitTemplate.setMessageConverter(messageConverter());
        initRabbitTemplate();
        return rabbitTemplate;
    }
    /**
     * 订制rabbitTemplate
     */
    //@PostConstruct // MyRabbitConfig对象创建完成以后，执行这个方法
    public void initRabbitTemplate() {
        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
            /**
             *
             * @param correlationData 当前消息的唯一关联数据（这个是消息的唯一id）
             * @param ack 消息是否成功收到
             * @param cause 失败的原因
             */
            @Override
            public void confirm(CorrelationData correlationData, boolean ack, String cause) {
                // 服务器收到了
                System.out.println("confirm...correlationData[" + correlationData +"]==>ack["+ ack +"]==>cause["+ cause +"]");
            }
        });

        rabbitTemplate.setReturnCallback(new RabbitTemplate.ReturnCallback() {
            /**
             * 如果消息没有投递给指定的队列，就触发这个失败回调
             * @param message 投递失败消息的详细信息
             * @param replyCode 回复状态码
             * @param replyText 回复文本内容
             * @param exchange 相关交换机
             * @param routingKey 相关路由键
             */
            @Override
            public void returnedMessage(Message message, int replyCode, String replyText, String exchange, String routingKey) {
                // 报错 修改数据库当前消息的错误状态
                System.out.println("Fail Message["+ message +"]==>replyCode["+ replyCode +"]==>replyText["+ replyText +"]==>exchange["+ exchange +"]==>routingKey["+ routingKey +"]");
            }
        });
    }
}
